Sliding exercise apparatus



FIG. 1 is a perspective view showing the new, original, and ornamental design of a sliding exercise apparatus;

FIG. 2 is a top plan view thereof and wherein the dashed lines indicate the direction of the cross sectional view shown in FIG. 6;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevation view thereof, the right side being a mirror image;

FIG. 5 is a front side elevation view thereof, the rear side being a mirror image; and,

FIG. 6 is a cross-sectional view thereof, taken from line 6-6 of FIG. 2.

The broken lines shown in the drawings represent environmental subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a sliding exercise apparatus, as shown and described. 